What type fluid for manual transmission 2002 Jeep Wrangler 4.0L?
For a 2002 Jeep Wrangler 4.0L with a manual transmission, you should use Mopar ATF+4 or an equivalent. Do not use standard automatic transmission fluid. While some people may suggest other fluids, sticking with the manufacturer's recommendation or a proven equivalent is best to ensure proper shifting and longevity of your transmission. Check your owner's manual for the most precise recommendation.